| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,999 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,221 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,260 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,721 |
| Countries with Megacities | 0 | - | 4.99 | 247,795 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,582 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,245 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,968 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,193 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,891 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,088 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,820 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,689 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,125 |
| Boundary Waters | 0 | - | 4.92 | 88,101 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,871 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,425 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,493 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,940 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,849 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,237 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,084 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,345 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,074 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,582 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,862 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,446 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,880 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,989 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,487 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,107 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,795 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,749 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,677 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,784 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,207 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,296 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,849 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,858 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,729 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,277 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,463 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,212 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,457 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,460 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,225 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,545 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,113 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,532 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,733 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,369 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,895 |
| Biggest Cities by Language | 0 | - | 4.96 | 241,787 |
| Largest City by Island | 0 | - | 4.87 | 71,170 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,474 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,707 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,522 |
| Megacities on a World Map | 0 | - | 4.98 | 251,459 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,899 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,005 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,061 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,347 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,662 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,457 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,388 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,738 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,654 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,915 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,356 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,281 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,299 |
| Most Populous Islands | 0 | - | 4.79 | 122,066 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,217 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,428 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,650 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,907 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,039 |
| Landlocked Countries | 0 | - | 4.99 | 414,681 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 555,956 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,020 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,005,334 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,239 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,118 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,241 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,209 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,044 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,104 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,891 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,557 |
| Population Trivia | 0 | - | 4.32 | 27,432 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,250 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,190 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,701 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,627 |
| Megacities on an Empty Map | 0 | - | 4.96 | 104,787 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,404 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,718 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,029 |
| Himalayan Countries | 0 | - | 4.95 | 135,728 |
| Andean Countries | 0 | - | 4.94 | 83,039 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,388 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,460 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,085 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,748 |
| Danube Countries | 0 | - | 4.97 | 71,188 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,914 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,646 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,722 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,623 |
| European Landlocked Countries | 0 | - | 4.99 | 145,881 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,380 |
| Countries with the Most Species | 0 | - | 4.99 | 95,305 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,547 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,240 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,409 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,021 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,662 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,029 |
| Countries in the Alps | 0 | - | 4.86 | 116,997 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,688 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,467 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,113 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,516 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,304 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,096 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,708 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,846 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,610 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,158 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,236 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,106 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,550 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,831 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,833 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,312 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,742 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,313 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,957 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,889 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,025 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,686 |
| Largest Countries By Category | 0 | - | 4.97 | 156,920 |
| Countries by Countries | 0 | - | 4.96 | 62,376 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,559 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,001 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,361 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,074 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,217 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,869 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,818 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,525 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,636 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,271 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,718 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,702 |
| Longest International Borders | 0 | - | 4.99 | 263,990 |
| Countries with Three Borders | 0 | - | 4.96 | 36,256 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,656 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,752 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,896 |
| Demonym of Every Country | 0 | - | 4.91 | 58,740 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,198 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,612 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,844 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,380 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,224 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,459 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 63,085 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,431 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,021 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,935 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,768 |
| Biggest City by Region | 0 | - | 4.50 | 36,024 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,938 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,057 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,247 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,967 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,280 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,026 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,592 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,178 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,757 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,779 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,011 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,506 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,507 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,382 |
| Island Countries | 0 | - | 4.99 | 708,037 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,898 |
| Northernmost Countries | 0 | - | 4.99 | 358,314 |
| Countries of South America | 0 | - | 5.00 | 916,687 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,731 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,028 |
| "Land" Countries | 0 | - | 4.98 | 333,928 |
| Top World Languages | 0 | - | 4.92 | 814,542 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,198 |
| Globe Grid | 0 | - | 4.32 | 31,946 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,397 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,628 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,550 |
